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New Arrival QS138 70H V3 72V 100kmph Mid Drive Motor with 1:2.35 gearbox for Electric ATV Dirtbike Motorcycle
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Supplier: Taizhou Sia Trading Co., Ltd. -
Region: Zhejiang, China -
Contact: Ms Yang Jasmine -
Price: $319.00 /set -
Min. Order: 1 set
| Rim Size: | 17inch, 18inch, 19inch moped; | Voltage(V): | 72V as default(48v-72v); |
| Single gross weight: | 14.000 KG; | Advantage: | 1:2.35 gear box; |
| Selling Units: | Single item; | Brand Name: | SiAECOSYS; |
| Single package size: | 31X31X32 cm; | Packaging Detail: | Carton Box; |
| Warranty: | Provide; | Waterproof Grade: | IP67; |
| Package Preview: | ; | Efficiency: | 85~92%; |
| Speed: | 3800-6000kph; | Place of Origin: | Zhejiang, China; |
| Product Name: | QS 138 3kW 72V100KPH mid drive motor with sprocket design; | Model Number: | Mid drive motor; |
| Output Power(W): | 3000W; | Type: | Mid drive motor; |
| Usage: | electric scooter/e-bike/e-motorcycle; |
New Arrival QS138 70H V3 Mid Drive Motor with 1:2.35 gear box for Electric ATV Dirtbike Motorcycle
For QS138 70H V3 mid drive motor with 1:2.35 gear box, it could be used for electric dirtbike, electric motorcycle, electric ATV 72V 100-105KPH with high torque. Compare with QS138 V1 and V2 motor, it's integrated with 1:2.35 gear box, which save space for double step transmission, with more torque.
e.g. Electric Dirt bike
E-motorcycle weight, approx 128kg+2*80kg
Speed: 100-105km/h @ 208kg
Gear ratio: 1:2.35*3 (1:2.35 integrated for 138 V3 motor, double steps transmission )
Climbing slope: 31° @ 50kph @208kg
Battery: 72V52h
Tire: 0.6138 130/70-17
Key Features
1) Light weight and small dimension compare to hub motor
2) High performance benefit from flux weakening
3) High effeciency during climbing, and better acceleration
4) Support regenerative braking
Product description
Dimension Drawing:
Power train test Report:
Matched Controlller: VOTOL EM150-2
If you need, pls see this link:
Please noted:
Optional appearance, drawing, performance curve/test report are available.
If you need more technical information, please feel free to contact us.
We will give you reply in 12hours.
How to Recommend you suitable motors?
Firstly, To customize a suitable electric hub motor for your vehicle, could you please inform the points in below?
1. E-bike, E-scooter, E-tricycle or E-car?
2. Weight of vehicle with battery, loading weight (weight with load only)?
3. Tire model/diameter?
4. Rated voltage and wattage of motor, nominal speed/top speed, and climb angle or torque @ what speed?
5. Battery nominal voltage, peak voltage, capacity and vehicle range?
6. What's the drop-outs/rear fork width of your frame?
Within your details information, we could make assessment and calculation accordingly for your project
About US
SIAECOSYS is an union of manufactories in electric driving industry, and belongs to Taizhou SIA Trading Co., Ltd that set from QS Factory in 2013 year.
Currently, more than 80 top factories join SIAECOSYS, and they are willing to provide customized products and service for international customers who has passion in e-scooter/tricycle/car industry.
SIAECOSYS focus on organizing member factories together to customize specific e-driving system solution and products for different requirements from customers in the world.
Nowadays, SIAECOSYS has more than 5000 customers from the world and more than 40 customers send inquiry every day.
SIAECOSYS has sale department, Technology department, Quality inspection department, general accounting department, purchase department and after-sale service department.
Q1. Are you trader or manufacture?
A: We're manufacture.
Q2. How long is your production time?
A: Generally, the production period is 12-14 working days(6 working days per week).
The specific delivery time depends on the items and the quantity of your order.
Q3. How long is your warranty time?
A: For motor, the warranty time is one year and three months. For other parts, the warranty time is one year.
Q4. About Customs Clearance
For some special countries with strict customs for import, so pls. confirm it firstly to us that you have ability to do customs clearance, otherwise we will not take on heavy responsibilities for this issue, return money and goods are not support.
Special countries list:
Argentina, Brazil, Egypt, Turkey, Iran,Portugal,Romania, Kazakhstan, Ukraine, Yeman etc.
Some countries name not listed, the salesman will inform you in time if you placed the order online directly. Thank you for your understanding.
05. Does your products with CE certification?
Yes, our motor with Certification (CE, CCC), and our factory with certification of ISO9001, TS86949
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